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A265216 Number of nX5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and vertical neighbors by a power of three. 1
12, 1958, 959210, 361386063, 112968132978, 64809856589464, 84621589234807688, 151566698900534826760, 51034597005422474477477, 43886125769636224451861515, 48797277198847867243368441426 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A265218.
LINKS
EXAMPLE
Some solutions for n=2
..0..1..2..3..6....0..9..0..9..8....0..3..2..1..0....0..9..8..5..8
..3..4..3..0..9....9..8..9..8..9....3..0..1..0..9....9..6..5..6..9
CROSSREFS
Cf. A265218.
Sequence in context: A015028 A167745 A326601 * A011920 A323817 A263584
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 05 2015
EXTENSIONS
Extend b-file from 20 to 36, R. H. Hardin, Dec 06 2015
STATUS
approved

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Last modified March 4 07:47 EST 2024. Contains 370522 sequences. (Running on oeis4.)